A CLASSIC X-MEN STORY…WITH A TWIST! Double ships every month! The X-MEN and SENTINELS get along like a house on fire…until the X-Men meet a group of Sentinels asking for help. What could these old foes want? And where do they come from? And why are they calling themselves…mutants?

• Penciler (cover) : Arthur Adams
• Letterer : Joe Caramagna